Relocatable power tap with surge protector
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United States of America Patent
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Dec 25, 2012
Grant Date -
May 31, 2012
app pub date -
Nov 29, 2010
filing date -
Nov 29, 2010
priority date (Note) -
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Abstract
A relocatable power tap that includes a surge protector. The surge protector provides three modes of transient voltage surge protection while limiting leakage current caused by the relocatable power tap to less than a current limit value (e.g., 100 micro-amperes [“μA”]). The surge protector includes a first transient voltage clamp connected between a line conductor and a neutral conductor, a second transient voltage clamp connected between the line conductor and a ground conductor, and a third transient voltage clamp connected between the neutral conductor and the ground conductor. The transient voltage clamps are, for example, varistors having non-linear current-voltage characteristics. In the presence of voltages that exceed the clamping threshold voltages of the transient voltage clamps, the transient voltage clamps are configured to conduct the current associated with the transient voltage.
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